Siemens LMV51 Series Basic Documentation page 155

30 AZL Fault Communication eBus
38 AZL Internal Fault AZL
40 AZL Communication AZL with PC Tool
88 AZL Internal Fault AZL
B0 # BU
1 BU Internal Fault Basic Unit
2 BU Internal Fault Basic Unit
B1 1 BU Internal Fault Basic Unit
C5 # AZL
# AZL Version Conflict
Siemens Building Technologies Basic Documentation LMV51...
HVAC Products 13 Addendum 1: List of error messages of LMV51... system
A fault occurred in connection with eBus
communication
Interface mode could not be terminated
Parameter setting fault PC tool detection through
key test in the AZL51...
RAM fault with redundant inverse variables
Fault check of port outputs
Fault when reading back the set outputs
Fault during the IR test
Fault short-circuit test inputs / outputs
W hen comparing the versions of the individual
units, the AZL51... has detected old data
The relevant units are bit-coded
Bit / unit
0 / BU
1 / LC
2 / AZL
3 / air actuator
4 / gas actuator
5 / oil actuator
6 / auxiliary actuator
7 / not used
*1)
*1)
Replace the relevant units by new versions
*1)
If fault occurs sporadically: Improve EMC
If fault occurs permanently: Replace the faulty basic unit
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CC1P7550en
29.05.2002